Jennifer Aniston Rachel Green Actor Courteney Cox Monica Geller Actor Lisa Kudrow Phoebe Buffay Actor Matt LeBlanc Joey Tribbiani Actor Matthew Perry Chandler Bing Actor David Schwimmer Ross Geller Actor Giovanni Ribisi Frank Buffay Jr. Guest Star Teri Garr Phoebe Abbott Sr. Guest Star Debra Jo Rupp Alice Knight-Buffay Guest Star Paget Brewster Kathy Guest Star James Michael Tyler Gunther Guest Star Sherri Shepherd Rhonda Guest Star Miles Marsico The Smart Kid Guest Star Jack Ong The Older Scientist Guest Star Jim Bentley Another Tour Guide Guest Star Chip Chinery Another Scientist Guest Star Kevin Bright Executive Producer Marta Kauffman Executive Producer David Crane Executive Producer